{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "DNA", "protein", "cell type", "cell line"], "input": "The results showed that the activation of U2 snRNA transcription in B-cells also requires an enhancer comprising both the Oct and at least one Sp 1-binding site ."}
{"RNA": [], "DNA": ["Oct", "Sp 1-binding site"], "protein": [], "cell type": ["B-cells"], "cell line": []}